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National Stock Number:
5306-01-054-3409
Federal Supply Class:
5306
National Item Identification Number:
010543409
Description:
BOLT,SHEAR
Detail:
A high strength, 160,000 pounds per square inch (1100 megapascals) minimum tensile strength externally threaded fastener designed for use in applications involving great shear stress. The head is designed to accommodate an external wrench or driver. The head is not designed to be held or driven with an inserted driver, nor is it designed for rotation by the thumb and fingers. The unthreaded portion is of specific grip length, plated or unplated, and is machined to a tolerance of one thousandth (0.001) of an inch (0.025 mm) or less of a specific diameter for items one inch (25 mm) or less in diameter. Items over one inch (25 mm) in diameter shall have a tolerance of fifteen ten thousandths (0.0015) of an inch (0.038 mm) or less. The nominal major diameter of the threads shall be at least one thousandth (0.001) of an inch (0.025 mm) below the minimum shank diameter, but not below the minimum major diameter for applicable class of fit, as shown in the Screw Thread Standards, FED STD H28 and/or other nationally recognized standards. A locking feature may be incorporated in the design of the head or threads. See BOLT, MACHINE and BOLT, CLEVIS.
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Manufacturer Information:
| 120978-5-10 | 80539 | SPS TECHNOLOGIES, LLC | | AIC596-5-10 | 06725 | SPS TECHNOLOGIES, LLC | | C7521-5-10 | 06710 | VALLEY-TODECO, INC. | | C7521-5-10 | 06725 | SPS TECHNOLOGIES, LLC | | C7521-5-10 | 27624 | SPS TECHNOLOGIES LLC | | C7521-5-10 | 56878 | SPS TECHNOLOGIES, LLC | | VS3133-5-10 | 06950 | HOWMET GLOBAL FASTENING SYSTEMS INC | | PBF7521-5-10 | 27624 | SPS TECHNOLOGIES LLC | | C7521-5-10 | 80539 | SPS TECHNOLOGIES, LLC | | C7521-5-10 | 81755 | LOCKHEED MARTIN CORPORATION | | C7521-5-10 | 92215 | HOWMET GLOBAL FASTENING SYSTEMS INC | | VS3133-5-10 | 92215 | HOWMET GLOBAL FASTENING SYSTEMS INC |
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Techincal Specification:
| THREAD SERIES DESIGNATOR | UNJF | | NOMINAL THREAD DIAMETER | 0.312 INCHES | | THREAD QUANTITY PER INCH | 24 | | THREAD CLASS | 3A | | THREAD DIRECTION | RIGHT-HAND | | THREAD LENGTH | 0.438 INCHES NOMINAL | | FASTENER LENGTH | 1.053 INCHES MINIMUM AND | | 1.073 INCHES MAXIMUM | | MATERIAL | STEEL OVERALL | | MATERIAL DOCUMENT AND CLASSIFICATION | AMS 6487 ASSN STD SINGLE MATERIAL RESPONSE OVERALL | | SURFACE TREATMENT | CADMIUM OVERALL | | SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | NAS 672 ASSN STD SINGLE TREATMENT RESPONSE OVERALL | | MINIMUM TENSILE STRENGTH | 220000 POUNDS PER SQUARE INCH | | SINGLE SHEAR STRENGTH | 132000 POUNDS PER SQUARE INCH | | HEAD STYLE | SPLINE DRIVE SHEAR HEAD | | HEAD HEIGHT | 0.187 INCHES NOMINAL | | HEAD MINOR DIAMETER | 0.605 INCHES NOMINAL | | GRIP LENGTH | 0.615 INCHES MINIMUM AND | | 0.635 INCHES MAXIMUM | | GRIP DIAMETER | 0.3108 INCHES MINIMUM AND | | 0.3117 INCHES MAXIMUM | | THE MANUFACTURERS DATA | | | MANUFACTURERS CODE | 81755 | | DESIGN CONTROL REFERENCE | C7521-5-10 |
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